Biomass 1 Biomass estimation 1 Biomass models 1 Carbon 1 Carbon service 1 China 1 Climate change 1 Climate models 1 Climate-sensitive stand biomass model 1 Forecast combination 1 Forecast combinations Forest biomass 1 Forest carbons 1 Forestry 1 Mean square error 1 Model uncertainties 1 Model uncertainty 1 Regional scale 1 Uncertainty analysis 1 biomass 1 climate change 1 ecosystem service 1 error analysis 1 estimation method 1 mitigation 1 plantation forestry 1 sampling 1 stand structure 1 uncertainty analysis 1